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12042010  #1 
Join Date: Nov 2010
Posts: 36

Factorial zero; Power of zero; Infinity
Hello folks,
Although 0! = 1 can anyone explain why this is the case. Hopefully, in a simple way so that I can understand why this is the case. Also why does anything to the power of zero = 1 eg 10^0 = 1 and 9^0 = 1. Finally, we all act as though we understand infinity even though none of us really know what it is. Can anyone explain? Kind regards Lisa Smith 
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